This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).
# AWS::EC2::VPNConcentrator

Describes a VPN concentrator.
## Syntax

To declare this entity in your CloudFormation template, use the following syntax:
### JSON

```
{
 "Type" : "AWS::EC2::VPNConcentrator",
 "Properties" : {
 "[Tags](#cfn-ec2-vpnconcentrator-tags)" : {{[ Tag, ... ]}},
 "[TransitGatewayId](#cfn-ec2-vpnconcentrator-transitgatewayid)" : {{String}},
 "[Type](#cfn-ec2-vpnconcentrator-type)" : {{String}}
 }
}
```
### YAML

```
Type: AWS::EC2::VPNConcentrator
Properties:
 [Tags](#cfn-ec2-vpnconcentrator-tags): {{
 - Tag}}
 [TransitGatewayId](#cfn-ec2-vpnconcentrator-transitgatewayid): {{String}}
 [Type](#cfn-ec2-vpnconcentrator-type): {{String}}
```
## Properties

`Tags` 
Any tags assigned to the VPN concentrator. 
*Required*: No 
*Type*: Array of [Tag](aws-properties-ec2-vpnconcentrator-tag.md) 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
`TransitGatewayId` 
The ID of the transit gateway associated with the VPN concentrator. 
*Required*: Yes 
*Type*: String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`Type` 
The type of VPN concentrator. 
*Required*: Yes 
*Type*: String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
## Return values

### Ref

### Fn::GetAtt

#### 

`TransitGatewayAttachmentId` 
The ID of the transit gateway attachment for the VPN concentrator.
`VpnConcentratorId` 
The ID of the VPN concentrator to associate with the VPN connection.</div><div class="naked_ctrl">
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